This file is indexed.

/etc/default/pmcd is in pcp 3.10.8build1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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# Environment variables for the pmcd daemon.  Refer also to the
# pmcd.options and pmcd.conf files for additional configuration.

# Behaviour regarding listening on external-facing interfaces;
# unset PMCD_LOCAL to allow connections from remote hosts.
# A value of 0 permits remote connections, 1 permits local only.
# PMCD_LOCAL=1

# Max length to which the queue of pending connections may grow
# A value of 5 is the default.
# PMCD_MAXPENDING=5